﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            BackColor = Color.Blue;
             }

        private void Form1_Load(object sender, EventArgs e)
        {
            //MessageBox.Show("Hi!我是窗体");
        }

        private void Form1_MouseClick(object sender, MouseEventArgs e)
        {
            //Form2 form2 = new Form2();
            //form2.Show();
            //this.Hide();
          var res = MessageBox.Show("消息","注意",MessageBoxButtons.YesNoCancel,MessageBoxIcon.Information);
          if (res == DialogResult.Yes)
          {
              MessageBox.Show("这是一个聪明的决定");
          }
          else 
          {
              MessageBox.Show("你真的确定吗？");
          }
 }
       
    }
}
